<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录页面</title>
</head>
<body>
    <form action="/login" method="post" >

        username:<input name="username" type="text" /><br><br>
        password:<input name="password" type="password" /><br><br>

        <input type="submit" value="login" />
    </form>
</body>
</html>